Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C22×D4 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
861 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(4,8)(6,7)(9,10,14,13)(11,16,12,15)(17,18,21,24)(19,22,20,23);(2,3)(6,7)(9,11,14,12)(10,15,13,16)(17,18)(19,22)(20,23)(21,24);(1,2,5,3)(4,6,8,7)(9,12,14,11)(10,16,13,15)(17,19,21,20)(18,22,24,23);(1,3,5,2)(4,7,8,6);(1,4)(2,6)(3,7)(5,8)(9,13,14,10)(11,16,12,15)(17,20,21,19)(18,23,24,22)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=fh,d^2=h,e^2=f,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #6442122, #6442128, #6442137, … |
| maximal normal subgroup of | #6442122, #6442128, #6442137, … |
| maximal quotient of | #516410, #516424, #516625, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28219);